#include<stdio.h>


int main() {
    int a = 13, b = 4;
    printf("%d\n", a + b);//17
    printf("%d\n", a - b);//9
    printf("%d\n", a * b);//52
    printf("%d\n", a / b);//3.25  or 3
    printf("%d\n", a % b);//1

}
